diff --git a/static/script.js b/static/script.js
index 0b7b441..4210cd3 100644
--- a/static/script.js
+++ b/static/script.js
@@ -254,7 +254,43 @@ function renderModels(models) {
         return;
     }
     
-    container.innerHTML = models.map(model => `
+    // Group models by family (everything before the colon)
+    const grouped = {};
+    models.forEach(model => {
+        const family = model.name.includes(':') ? model.name.split(':')[0] : 'other';
+        if (!grouped[family]) {
+            grouped[family] = [];
+        }
+        grouped[family].push(model);
+    });
+    
+    // Sort families alphabetically
+    const sortedFamilies = Object.keys(grouped).sort();
+    
+    // Render grouped models
+    container.innerHTML = sortedFamilies.map(family => {
+        const familyModels = grouped[family];
+        const familyId = `family-${family.replace(/[^a-zA-Z0-9]/g, '-')}`;
+        
+        return `
+            <div class="model-family-group">
+                <div class="model-family-header" onclick="toggleModelFamily('${familyId}')">
+                    <div class="model-family-title">
+                        <span class="model-family-icon">▼</span>
+                        <span class="model-family-name">${escapeHtml(family)}</span>
+                        <span class="model-family-count">(${familyModels.length})</span>
+                    </div>
+                </div>
+                <div class="model-family-content" id="${familyId}">
+                    ${familyModels.map(model => renderModelCard(model)).join('')}
+                </div>
+            </div>
+        `;
+    }).join('');
+}
+
+function renderModelCard(model) {
+    return `
         <div class="model-card ${!model.installed ? 'model-not-installed' : ''}" data-model-name="${escapeHtml(model.name)}">
             <div class="model-header">
                 <div class="model-name">
@@ -338,7 +374,21 @@ function renderModels(models) {
                 ${model.capabilities.map(cap => `<span class="badge badge-capability">${escapeHtml(cap)}</span>`).join('')}
             </div>
         </div>
-    `).join('');
+    `;
+}
+
+function toggleModelFamily(familyId) {
+    const content = document.getElementById(familyId);
+    const header = content.previousElementSibling;
+    const icon = header.querySelector('.model-family-icon');
+    
+    if (content.classList.contains('collapsed')) {
+        content.classList.remove('collapsed');
+        icon.textContent = '▼';
+    } else {
+        content.classList.add('collapsed');
+        icon.textContent = '▶';
+    }
 }
 
 async function deleteModel(modelName) {
diff --git a/static/style.css b/static/style.css
index 3c35865..4284f66 100644
--- a/static/style.css
+++ b/static/style.css
@@ -296,12 +296,74 @@ body {
 
 /* Models List */
 .models-list {
+    display: grid;
+    gap: 20px;
+}
+
+/* Model Family Groups */
+.model-family-group {
+    background-color: var(--bg-secondary);
+    border: 1px solid var(--border);
+    border-radius: 6px;
+    overflow: hidden;
+}
+
+.model-family-header {
+    padding: 12px 15px;
+    background-color: var(--bg-tertiary);
+    cursor: pointer;
+    user-select: none;
+    transition: background-color 0.2s;
+}
+
+.model-family-header:hover {
+    background-color: #4a4a4a;
+}
+
+.model-family-title {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    font-weight: 600;
+    font-size: 15px;
+    color: var(--text-primary);
+}
+
+.model-family-icon {
+    color: var(--accent-primary);
+    font-size: 12px;
+    transition: transform 0.2s;
+    display: inline-block;
+    width: 16px;
+}
+
+.model-family-name {
+    text-transform: capitalize;
+}
+
+.model-family-count {
+    color: var(--text-secondary);
+    font-size: 13px;
+    font-weight: 400;
+}
+
+.model-family-content {
     display: grid;
     gap: 15px;
+    padding: 15px;
+    max-height: 2000px;
+    overflow: hidden;
+    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
+}
+
+.model-family-content.collapsed {
+    max-height: 0;
+    padding-top: 0;
+    padding-bottom: 0;
 }
 
 .model-card {
-    background-color: var(--bg-secondary);
+    background-color: var(--bg-primary);
     border: 1px solid var(--border);
     border-radius: 6px;
     padding: 15px;